/* This file is part of VoltDB.
* Copyright (C) 2008-2010 VoltDB L.L.C.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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*/
package org.voltdb.benchmark.dedupe.procedures;
import org.voltdb.ProcInfo;
import org.voltdb.SQLStmt;
import org.voltdb.VoltProcedure;
import org.voltdb.VoltTable;
import org.voltdb.VoltTableRow;
import org.voltdb.VoltType;
@ProcInfo(
partitionInfo = "ARCHIVED.COLUMN1: 0",
singlePartition = true
)
public class Archive extends VoltProcedure {
// grab <x> rows to archive
public final SQLStmt getUnArchived = new SQLStmt("select column1, column2, column3, column4, checktime from unarchived where checktime < ? order by checktime, column1, column2, column3, column4 limit ?;");
// insert an archived row
public final SQLStmt insertArchived = new SQLStmt("insert into archived (column1, column2, column3, column4, checktime) values (?, ?, ?, ?, ?);");
// delete an unarchived row
public final SQLStmt deleteUnArchived = new SQLStmt("delete from unarchived where column1 = ? and column2 = ? and column3 = ? and column4 = ? and checktime = ?;");
public VoltTable[] run(
long partitionId,
long numMoves,
long called_time_milliseconds
) {
long timeFiveMinutesAgoMillis = called_time_milliseconds - (1000l * 60l * 5l);
VoltTable vtMoved = new VoltTable(new VoltTable.ColumnInfo("column1",VoltType.BIGINT),
new VoltTable.ColumnInfo("column2",VoltType.BIGINT),
new VoltTable.ColumnInfo("column3",VoltType.BIGINT),
new VoltTable.ColumnInfo("column4",VoltType.BIGINT),
new VoltTable.ColumnInfo("checktime",VoltType.BIGINT));
Object rowMoved[] = new Object[5];
voltQueueSQL(getUnArchived, timeFiveMinutesAgoMillis, numMoves);
VoltTable results1[] = voltExecuteSQL();
int rowCount = results1[0].getRowCount();
int sqlStatements = 0;
if (rowCount > 0) {
// move row from unarchived to archived
for (int ii = 0; ii < rowCount; ii++) {
VoltTableRow row = results1[0].fetchRow(ii);
long column1 = row.getLong(0);
long column2 = row.getLong(1);
long column3 = row.getLong(2);
long column4 = row.getLong(3);
long checktime = row.getLong(4);
voltQueueSQL(insertArchived, column1, column2, column3, column4, checktime);
voltQueueSQL(deleteUnArchived, column1, column2, column3, column4, checktime);
sqlStatements += 2;
if (sqlStatements > 900) {
// limit of 1000 sql statements
voltExecuteSQL();
sqlStatements = 0;
}
rowMoved[0] = column1;
rowMoved[1] = column2;
rowMoved[2] = column3;
rowMoved[3] = column4;
rowMoved[4] = checktime;
vtMoved.addRow(rowMoved);
}
if (sqlStatements > 0) {
voltExecuteSQL(true);
}
}
VoltTable vtMetric = new VoltTable(new VoltTable.ColumnInfo("called_time_milliseconds",VoltType.BIGINT));
Object rowMetric[] = new Object[1];
rowMetric[0] = called_time_milliseconds;
vtMetric.addRow(rowMetric);
final VoltTable[] vtReturn = {vtMoved,vtMetric};
return vtReturn;
}
}